Base | Representation |
---|---|
bin | 110110111100… |
… | …0011101011000 |
3 | 2000012102222002 |
4 | 1231320131120 |
5 | 24333224302 |
6 | 2505220132 |
7 | 466560311 |
oct | 155703530 |
9 | 60172862 |
10 | 28804952 |
11 | 15294650 |
12 | 9791648 |
13 | 5c77067 |
14 | 3b7b608 |
15 | 27dec02 |
hex | 1b78758 |
28804952 has 32 divisors (see below), whose sum is σ = 60825600. Its totient is φ = 12669600.
The previous prime is 28804949. The next prime is 28804961. The reversal of 28804952 is 25940882.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2552 + ... + 8007.
It is an arithmetic number, because the mean of its divisors is an integer number (1900800).
Almost surely, 228804952 is an apocalyptic number.
28804952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
28804952 is an abundant number, since it is smaller than the sum of its proper divisors (32020648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28804952 is a wasteful number, since it uses less digits than its factorization.
28804952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10607 (or 10603 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 38.
The square root of 28804952 is about 5367.0245015278. The cubic root of 28804952 is about 306.5413403039.
The spelling of 28804952 in words is "twenty-eight million, eight hundred four thousand, nine hundred fifty-two".
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